9-letter words containing a, p, t, o
- cytopenia — a condition characterized by a deficiency of a type of blood cells
- cytophagy — the ingestion of cells by other cells.
- cytoplasm — the protoplasm of a cell contained within the cell membrane but excluding the nucleus: contains organelles, vesicles, and other inclusions
- cytoplast — the intact cytoplasm of a single cell
- datapoint — An identifiable element in a data set.
- davenport — a tall narrow desk with a slanted writing surface and drawers at the side
- dead spot — Also called blind spot. an area in which radio or cell phone signals are weak and their reception poor.
- dead-spot — Anatomy. a small area on the retina that is insensitive to light due to the interruption, where the optic nerve joins the retina, of the normal pattern of light-sensitive rods and cones.
- demo tape — a tape with a sample of someone's music recorded on it
- demoparty — (demoscene) A party organised by and for the demoscene, typically involving socializing, computer programming, and competitions.
- despotate — An area ruled by a despot (\u03b4\u03b5\u03c3\u03c0\u03cc\u03c4\u03b7\u03c2) in the late Byzantine Balkans (12th to 15th centuries).
- diatropic — the tendency of some plant organs to take a transverse position to the line of action of an outside stimulus.
- diazotype — a print produced by the diazo process.
- dioptrate — (of a compound eye) divided by a transverse line
- diplomata — Plural form of diploma.
- diplomate — a person who has received a diploma, especially a doctor, engineer, etc., who has been certified as a specialist by a board within the appropriate profession.
- diplomats — Plural form of diplomat.
- doorplate — a small identification plate on the outside door of a house or room, bearing the occupant's name, the apartment or house number, or the like.
- drop seat — a hinged seat, as in a taxicab or bus, that may be pulled down for use when an additional seat is needed.
- drop tank — an external aircraft tank, usually containing fuel, that can be detached and dropped in flight
- duplation — multiplication by two; doubling.
- dystopian — a society characterized by human misery, as squalor, oppression, disease, and overcrowding.
- dystopias — Plural form of dystopia.
- ectoplasm — Biology. the outer portion of the cytoplasm of a cell. Compare endoplasm.
- emptional — Capable of being purchased.
- epeolatry — the worship of words
- ephoralty — an ephor's office
- epilation — The removal of hair by the roots.
- epilators — Plural form of epilator.
- epulation — the act of feasting
- epuration — purification
- esotropia — A form of strabismus in which one or both eyes turns inward.
- esperanto — Esperanto is an invented language which consists of parts of several European languages, and which was designed to help people from different countries communicate with each other.
- ethiopian — person from Ethiopia
- etioplast — (biology) A chloroplast that has never been exposed to light.
- europanet — A combination of pan-European backbone services run by DANTE.
- evaporate — Turn from liquid into vapor.
- evaporite — A natural salt or mineral deposit left after the evaporation of a body of water.
- exoplanet — A planet that orbits a star outside the solar system.
- exotropia — (medicine) A form of strabismus in which the eyes deviate outwards.
- expatriot — Misspelling of expatriate.
- expiation — The act of making amends or reparation for guilt or wrongdoing; atonement.
- expiatory — Of or pertaining to expiation.
- explorate — (obsolete) To explore.
- exprobate — (obsolete) To exprobrate.
- extrapose — to move a word or words to the end of, or outside, a clause or sentence without altering its sense
- extropian — Of, or relating to extropy.
- far point — the point farthest from the eye at which an object is clearly focused on the retina when accommodation of the eye is completely relaxed.
- far-point — the point farthest from the eye at which an object is clearly focused on the retina when accommodation of the eye is completely relaxed.
- fat depot — adipose tissue.